“When it comes to getting news about politics and government, liberals and conservatives inhabit different worlds,” a 2014 Pew study found. “There is little overlap in the news sources they turn to and trust.”
Journalism’s Gatekeepers Lost Control of Their Gates
Ed Madison & Ben DeJarnette
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As long as this persists there can be no agreed-upon “facts” from which to build productive dialogue and debate.

And without dialogue and debate there can no progress.

Yuk.